# of Electrons and Protons – 86, 86 Most Common Isotope – Rn-222 # of Neutrons in Most Common Isotope - 136
Physical Properties
State of matter at room temperature – Gas
Melting Point - −71.15 °C
Boiling Point - −61.85 °C
Density - 9.73 g/L
Abundance in Earth’s Crust - 4 x10^13 milligrams per kilogram Background
Scientist Who Discovered the Element - Friedrich Ernst Dorn
Year Discovered – 1900 Name Origin – Came from “radium”, was originally called “niton”, which means “shining” Chemical Family – Noble Gas Common Uses – Radiation treatment for Cancer, Hydrologic research that studies the interaction between ground water and streams, Predicting earthquakes. Chemical Properties Elements that React with the Element – Fluorine and Oxygen, otherwise isn’t very reactive Compunds of the Element - Radon difluoride
Radon
Symbol – Rn
Atomic # - 86
Atomic Mass – 222
# of Electrons and Protons – 86, 86
Most Common Isotope – Rn-222
# of Neutrons in Most Common Isotope - 136
Physical Properties
State of matter at room temperature – Gas
Melting Point - −71.15 °C
Boiling Point - −61.85 °C
Density - 9.73 g/L
Abundance in Earth’s Crust - 4 x10^13 milligrams per kilogram
Background
Scientist Who Discovered the Element - Friedrich Ernst Dorn
Year Discovered – 1900
Name Origin – Came from “radium”, was originally called “niton”, which means “shining”
Chemical Family – Noble Gas
Common Uses – Radiation treatment for Cancer, Hydrologic research that studies the interaction between ground water and streams, Predicting earthquakes.
Chemical Properties
Elements that React with the Element – Fluorine and Oxygen, otherwise isn’t very reactive
Compunds of the Element - Radon difluoride